Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5225311 | Positive photoresist composition | Toshitomo Nakano | 1993-07-06 |
| 4876324 | High molecular weight ortho cresol-novolak resins and process for the preparation thereof using alcoholic or acidic organic solvents | Yoshitomo Nakano | 1989-10-24 |